Merge pull request #292 from abpframework/blazor-examples

Update Blazor bookstore examples to handle errors

Author: maliming

BookStore-Blazor-EfCore/src/Acme.BookStore.Blazor/Pages/Authors.razor.cs

@@ -112,14 +112,22 @@ private void OpenEditAuthorModal(AuthorDto author)
 
     private async Task DeleteAuthorAsync(AuthorDto author)
     {
-        var confirmMessage = L["AuthorDeletionConfirmationMessage", author.Name];
-        if (!await Message.Confirm(confirmMessage))
+        try
         {
-            return;
-        }
+            var confirmMessage = L["AuthorDeletionConfirmationMessage", author.Name];
+            if (!await Message.Confirm(confirmMessage))
+            {
+                return;
+            }
 
-        await AuthorAppService.DeleteAsync(author.Id);
-        await GetAuthorsAsync();
+            await AuthorAppService.DeleteAsync(author.Id);
+            await GetAuthorsAsync();
+        }
+        catch (Exception ex)
+        {
+            await HandleErrorAsync(ex);
+        }
+        
     }
 
     private void CloseEditAuthorModal()
@@ -129,21 +137,35 @@ private void CloseEditAuthorModal()
 
     private async Task CreateAuthorAsync()
     {
-        if (await CreateValidationsRef.ValidateAll())
+        try
         {
-            await AuthorAppService.CreateAsync(NewAuthor);
-            await GetAuthorsAsync();
-            CreateAuthorModal.Hide();
+            if (await CreateValidationsRef.ValidateAll())
+            {
+                await AuthorAppService.CreateAsync(NewAuthor);
+                await GetAuthorsAsync();
+                CreateAuthorModal.Hide();
+            }
+        }
+        catch (Exception ex)
+        {
+            await HandleErrorAsync(ex);
         }
     }
 
     private async Task UpdateAuthorAsync()
     {
-        if (await EditValidationsRef.ValidateAll())
+        try
         {
-            await AuthorAppService.UpdateAsync(EditingAuthorId, EditingAuthor);
-            await GetAuthorsAsync();
-            EditAuthorModal.Hide();
+            if (await EditValidationsRef.ValidateAll())
+            {
+                await AuthorAppService.UpdateAsync(EditingAuthorId, EditingAuthor);
+                await GetAuthorsAsync();
+                EditAuthorModal.Hide();
+            }
+        }
+        catch (Exception ex)
+        {
+            await HandleErrorAsync(ex);
         }
     }
 }

MudBlazorSample/src/Acme.BookStore.Blazor/Pages/Authors.razor.cs

@@ -85,14 +85,21 @@ private void OpenEditAuthorModal(AuthorDto author)
 
         private async Task DeleteAuthorAsync(AuthorDto author)
         {
-            var confirmMessage = L["AuthorDeletionConfirmationMessage", author.Name];
-            if (!await Message.Confirm(confirmMessage))
+            try
             {
-                return;
-            }
+                var confirmMessage = L["AuthorDeletionConfirmationMessage", author.Name];
+                if (!await Message.Confirm(confirmMessage))
+                {
+                    return;
+                }
 
-            await AuthorAppService.DeleteAsync(author.Id);
-            await _authorList.ReloadServerData();
+                await AuthorAppService.DeleteAsync(author.Id);
+                await _authorList.ReloadServerData();
+            }
+            catch (Exception ex)
+            {
+                await HandleErrorAsync(ex);
+            }
         }
 
         private void CloseEditAuthorModal()
@@ -102,21 +109,35 @@ private void CloseEditAuthorModal()
 
         private async Task CreateAuthorAsync()
         {
-            if (_createForm.IsValid)
+            try
             {
-                await AuthorAppService.CreateAsync(NewAuthor);
-                _createAuthorDialogVisible = false;
-                await _authorList.ReloadServerData();
+                if (_createForm.IsValid)
+                {
+                    await AuthorAppService.CreateAsync(NewAuthor);
+                    _createAuthorDialogVisible = false;
+                    await _authorList.ReloadServerData();
+                }
             }
+            catch (Exception ex)
+            {
+                await HandleErrorAsync(ex);
+            }   
         }
 
         private async Task UpdateAuthorAsync()
         {
-            if (_editForm.IsValid)
+            try
             {
-                await AuthorAppService.UpdateAsync(EditingAuthorId, EditingAuthor);
-                _editAuthorDialogVisible = false;
-                await _authorList.ReloadServerData();
+                if (_editForm.IsValid)
+                {
+                    await AuthorAppService.UpdateAsync(EditingAuthorId, EditingAuthor);
+                    _editAuthorDialogVisible = false;
+                    await _authorList.ReloadServerData();
+                }
+            }
+            catch (Exception ex)
+            {
+                await HandleErrorAsync(ex);
             }
         }
     }